Quality assesment of petroleum products /  
edited by George Sell. 
 - London :   The institute of petroleum,  c 1961. 
 - viii, 123 p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>332  332 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Industrial oils.
<br/><br/><label>Dewey Class. No.: </label>665.5 / S48q